Home / 11,022,656.40-15,218,688.51-9,857,487.60

Finding the Fourth Proportional to 11,022,656.40, 15,218,688.51 and 9,857,487.60

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Solution

The fourth proportional to 11,022,656.40, 15,218,688.51 and 9,857,487.60 is: 13,609,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022,656.40 : 15,218,688.51 = 9,857,487.60 : x
  2. Step 2: Convert to fraction form
    11,022,656.40/15,218,688.51 = 9,857,487.60/x
  3. Step 3: Cross multiply
    11,022,656.40x = 15,218,688.51 × 9,857,487.60
  4. Step 4: Simplify right side
    11,022,656.40x = 150,018,033,275,587.47
  5. Step 5: Solve for x
    x = 150,018,033,275,587.47/11,022,656.40
  6. Step 6: Final answer
    x = 13,609,970.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.